The Steam Packet Company says the Ben my Chree won't return to the Island until the end of this month.
The announcement comes after scheduled maintenance found stern tube bearings need specialist repairs.
The company says the Manannan will provide daytime passenger services, with the MV Arrow continuing its overnight freight services.
Its reservations team will contact any passengers affected by the delay.
Island Games 2029 sports announced
Sports that would make up the Island Games on-island have been announced.
Stolen Range Rover located by police
Police have located a vehicle which went missing in Douglas last week.
Doctor cuts info won't be made public by government
The Department of Health and Social Care says it won't reveal any plans to cut back on the Island's emergency doctor service.
Gas roadworks on Douglas quay
Work on gas mains means temporary traffic lights on a busy road in Douglas.
Are you missing your Lamborghini?
If you've lost your leccy Lambo, it's been found in Peel.
Northern lights show again tonight?
The Island could be in for another spectacular light show tonight, with a huge solar flare heading towards earth.
Free online seminar explores Celtic coastlines
An online seminar is taking place tomorrow featuring the history behind the Manx seaside.
Cruise ship arriving in Peel tomorrow
A cruise ship is due arrive off the west of the Island tomorrow.
